I have about a 5 year old SB6190. Downstream light is bright blue, but my upstream light is either white or out. I contacted my provider and everything shows fine on their end….download of 500 MBPS and upload of 25 MBPS. Is it possible my upload LED has burnt out. I rebooted it and the green LED is flashing as it powers back up, but the download light goes to Blue and the Upload light appears white when it is back on line. Is my modem going?
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Upstream LED light on the modem is white - SB6190
Best answer by SURFboard Moderator
It is very normal behavior until you are experiencing with slow/intermittent internet connection.
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